28390446

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 78336000

約数和(自身を除く): 49945554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 59, 63, 67, 114, 118, 126, 133, 134, 171, 177, 189, 201, 266, 342, 354, 378, 399, 402, 413, 469, 513, 531, 603, 798, 826, 938, 1026, 1062, 1121, 1197, 1206, 1239, 1273, 1407, 1593, 1809, 2242, 2394, 2478, 2546, 2814, 3186, 3363, 3591, 3618, 3717, 3819, 3953, 4221, 6726, 7182, 7434, 7638, 7847, 7906, 8442, 8911, 10089, 11151, 11457, 11859, 12663, 15694, 17822, 20178, 22302, 22914, 23541, 23718, 25326, 26733, 27671, 30267, 34371, 35577, 47082, 53466, 55342, 60534, 68742, 70623, 71154, 75107, 80199, 83013, 106731, 141246, 150214, 160398, 166026, 211869, 213462, 225321, 240597, 249039, 423738, 450642, 481194, 498078, 525749, 675963, 747117, 1051498, 1351926, 1494234, 1577247, 2027889, 3154494, 4055778, 4731741, 9463482, 14195223, 28390446]

約数ペア:

[(1, 28390446), (2, 14195223), (3, 9463482), (6, 4731741), (7, 4055778), (9, 3154494), (14, 2027889), (18, 1577247), (19, 1494234), (21, 1351926), (27, 1051498), (38, 747117), (42, 675963), (54, 525749), (57, 498078), (59, 481194), (63, 450642), (67, 423738), (114, 249039), (118, 240597), (126, 225321), (133, 213462), (134, 211869), (171, 166026), (177, 160398), (189, 150214), (201, 141246), (266, 106731), (342, 83013), (354, 80199), (378, 75107), (399, 71154), (402, 70623), (413, 68742), (469, 60534), (513, 55342), (531, 53466), (603, 47082), (798, 35577), (826, 34371), (938, 30267), (1026, 27671), (1062, 26733), (1121, 25326), (1197, 23718), (1206, 23541), (1239, 22914), (1273, 22302), (1407, 20178), (1593, 17822), (1809, 15694), (2242, 12663), (2394, 11859), (2478, 11457), (2546, 11151), (2814, 10089), (3186, 8911), (3363, 8442), (3591, 7906), (3618, 7847), (3717, 7638), (3819, 7434), (3953, 7182), (4221, 6726)]